79440025

素因数分解:

$5^2\times 7^2\times {\mathrm{64849}}^1$

素因数の和:64873

約数の個数: 18

約数和(自身を含む): 114589950

約数和(自身を除く): 35149925

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 64849, 324245, 453943, 1621225, 2269715, 3177601, 11348575, 15888005, 79440025]

約数ペア:

[(1, 79440025), (5, 15888005), (7, 11348575), (25, 3177601), (35, 2269715), (49, 1621225), (175, 453943), (245, 324245), (1225, 64849)]